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Mishimoto Transmission Cooler; Silver (Late 03-05 6.6L Duramax Sierra 3500 HD)Find parts that fit my vehicle

Item SHG46370
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$498.95

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      Product Information

      Features, Description, Reviews, Q&A

      Features

      • Direct-Fit For All 2003-2005 Chevrolet/GMC With Allison Transmission (LB7/LLY)
      • Stacked-Plate Construction For Maximum Durability And Superior Cooling
      • CNC-Machined Adapters Make It Easy To Connect Mishimoto Cooler To Stock Fluid Lines Or AN Lines
      • 174% Greater Core Volume Than Stock Cooler
      • 192% Greater External Fin Surface Area Over Stock Cooler
      • Includes Durable SAE J1532 Hose Designed Specifically For Use With Transmission Fluid
      • Mishimoto Lifetime Warranty
      • Fits Late 03-05 6.6L Duramax Sierra 3500 HD; Early 2003 Trucks With Orange Clips Require Separate Model

      Description

      Premium Transmission Cooling. The Mishimoto Transmission Cooler delivers essential cooling performance to protect your transmission from heat buildup. It optimizes transmission fluid temperature to improve longevity and reliability, making it ideal for heavy-duty towing, fleet use, or spirited driving.

      Durable And Efficient Build. Constructed with stacked-plate design for enhanced strength and effective heat dissipation, this cooler features CNC-machined adapters for precise, leak-free connections. The silver finish offers corrosion resistance and complements engine bays.

      Effortless Installation. This direct-fit cooler requires no drilling and uses stock-style quick-disconnect fittings with included hoses and mounting hardware, making installation straightforward for most users.

      Lifetime Warranty. This product is backed by a lifetime warranty for long-term peace of mind.

      Application. Engineered specifically for 2003-2005 6.6L Duramax Sierra 3500 HD with Allison transmissions equipped with purple quick-connect clips; early 2003 trucks with orange clips require a different model.

      Mishimoto MMTC-DMAX-03SL

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.9

      Customer Reviews (7)

      Questions & Answers

      No questions about this product yet. Ask the First Question

      Will It Fit My Sierra 3500

      • 6.6L V8 Duramax - 03, 04, 05